Added image commentary nodes and better scaling/positioning for the text commentary panel

sp/src/game/shared/shareddefs.h

@@ -1048,4 +1048,15 @@ enum
 };
 #endif // TF_DLL || TF_CLIENT_DLL
 
+#ifdef MAPBASE
+// Developer commentary types
+enum
+{
+	COMMENTARY_TYPE_AUDIO,		// Play commentary audio (default)
+
+	COMMENTARY_TYPE_TEXT,		// Display text data
+	COMMENTARY_TYPE_IMAGE,		// Display an image
+};
+#endif
+
 #endif // SHAREDDEFS_H